function show_functions(beta)

figure1 = figure('XVisual', '0x24 (TrueColor, depth 24, RGB mask 0xff0000 0xff00 0x00ff)');

axes1 = axes('Parent', figure1, 'FontSize', 11);
xlim(axes1, [-3 3]);
ylim(axes1, [-1.2 1.2]);
xlabel(axes1, 'x');
ylabel(axes1, 'f(x)');
box(axes1, 'on');
hold(axes1, 'all');

plot (-3:0.1:3, tanh((-3:0.1:3).*beta));



figure2 = figure('XVisual', '0x24 (TrueColor, depth 24, RGB mask 0xff0000 0xff00 0x00ff)');

axes2 = axes('Parent', figure2, 'FontSize', 11);
xlim(axes2, [-3 3]);
ylim(axes2, [-0.2 1.2]);
xlabel(axes2, 'x');
ylabel(axes2, 'f(x)');
box(axes2, 'on');
hold(axes2, 'all');

plot (-3:0.1:3, 1 ./ (1 + exp(-2.*(-3:0.1:3).*beta)));